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I have a matrix Z n times p with p>n I have A a diagonal matrix with positive entries I would like to know if there is a knwon relation (as a function of A) between the MP inverse of Z^T Z and the MP inverse of A Z^T Z A what i am looking for is the follwing: suppose I knwo the MP of $Z^T Z$ and I know $A$, can I get as a function of those two things the MP inverse of $A Z^T Z A$? |
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Moore-Penrose pseudo inverseI have a matrix Z n times p with p>n I have A a diagonal matrix with positive entries I would like to know if there is a knwon relation (as a function of A) between the MP inverse of Z^T Z and the MP inverse of A Z^T Z A
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